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Add -c|--config option to kpatch-build

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In some circumstances, the kernel is built outside from the source tree,
thus we should specify the .config file of build path.

This patch changes the basic option parsing by using getopt, and add more
information in usage().

Signed-off-by: Jincheng Miao <jincheng.miao@gmail.com>
This commit is contained in:
Jincheng Miao 2014-03-21 14:43:10 +08:00
parent 5961e198cd
commit f5eac0d6d9
1 changed files with 30 additions and 21 deletions
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35
kpatch-build/kpatch-build
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@ -93,27 +93,32 @@ find_tools_dir() {
}
usage() {
echo "usage: $0 [-s|--sourcedir <dir>] <patch file>" >&2
echo "usage: $0 [options] <patch file>" >&2
echo " -h, --help Show this help message" >&2
echo " -s, --sourcedir Specify kernel source directory" >&2
echo " -c, --config Specify kernel config file" >&2
}
while [[ "$#" -gt 0 ]]; do
case "$1" in
PARSED_OPT_ARRAY=($(getopt -u -n "$0" -o hs:c: -l "help,sourcedir:,config:" -- "$@")) || die "getopt failed"
for index in ${!PARSED_OPT_ARRAY[*]}; do
case "${PARSED_OPT_ARRAY[$index]}" in
-h|--help)
usage
exit 0
;;
-s|--sourcedir)
shift
[[ "$#" -eq 0 ]] && die "no source dir specified"
USERSRCDIR="$(readlink -f $1)"
[[ ! -d "$USERSRCDIR" ]] && die "source dir $1 not found"
shift
USERSRCDIR="$(readlink -f ${PARSED_OPT_ARRAY[$(( $index+1 ))]})"
[[ ! -d "$USERSRCDIR" ]] && die "source dir $USERSRCDIR not found"
;;
*)
[[ -n "$PATCHFILE" ]] && die "bad argument: $1"
PATCHFILE="$(readlink -f $1)"
[[ ! -f "$PATCHFILE" ]] && die "patch file $1 not found"
shift
-c|--config)
CONFIGFILE="$(readlink -f ${PARSED_OPT_ARRAY[$(( $index+1 ))]})"
[[ ! -f "$CONFIGFILE" ]] && die "config file $CONFIGFILE not found"
;;
--)
PATCHFILE="$(readlink -f ${PARSED_OPT_ARRAY[$(( $index+1 ))]})"
[[ ! -f "$PATCHFILE" ]] && die "patch file $PATCHFILE not found"
break
;;
esac
done
@ -145,7 +150,11 @@ if [[ -d "$SRCDIR" ]] || [[ -n "$USERSRCDIR" ]]; then
mkdir -p "$CACHEDIR"
mkdir -p "$OBJDIR" "$OBJDIR2"
if [[ -n "$CONFIGFILE" ]]; then
cp "$CONFIGFILE" "$OBJDIR/.config" || die "config file is missing"
else
cp "$USERSRCDIR/.config" "$OBJDIR" || die "source dir is missing a .config file"
fi
echo "Copying source to $SRCDIR"
cp -a "$USERSRCDIR" "$SRCDIR" || die "copy failed"